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Newsroom Press Release

Equinix Customer Base Reaches 1,000 with Addition of New York Magazine

Foster City, CA — April 27, 2005 — Equinix, Inc. (Nasdaq: EQIX), the leading provider of network-neutral data centers and Internet exchange services, today announced that the number of companies operating within Equinix's Internet hubs has reached 1,000 with the addition of New York magazine to Equinix's New York Internet Business Exchange™ (IBX®) center located in Secaucus, N.J. This important milestone comes only five years after Equinix opened its first IBX center on July 27, 1999 in the Washington, D.C. area.

New York magazine will utilize Equinix's New York center to host the publication's Web infrastructure, moving these operations from the data center of its former corporate parent company to Equinix's state-of-the-art facility. The move will enable New York magazine to leverage the benefits of direct access to a variety of service providers as well as Equinix's secure infrastructure. By directly linking to the carriers, ISPs and other networks within the center, New York magazine will streamline its connectivity infrastructure, moving content closer to end-users. This will enable the publication to increase the reliability and performance of Web operations while reducing the cost and complexity of reaching these strategic partners in multiple locations.

Equinix provides a secure and reliable data center infrastructure offering direct access to a large aggregation of enterprises, content providers, e-commerce companies and network service providers. The company's 15 IBX data centers, where companies such as IBM, Amazon.com, SBC, Yahoo! and MSN locate their critical IT and connectivity infrastructure, are designed to meet the most demanding requirements of today's businesses. The centers have become an important element in the infrastructure of the Internet, offering direct access to the providers that serve more than 90% of the world's Internet networks and users.

"The Internet is a key component of New York magazine's brand, with as many people accessing our on-line products as reading the magazine each week," said Joseph Galarneau, chief technology officer of New York magazine. "Since we had to move our hosting environment due to a change in corporate ownership, we sought a provider that would offer a state-of-the-art, highly reliable platform that would support our aggressive growth trajectory. Based on the positive experiences of one of our sister companies, which relocated to Equinix's New York IBX several years ago, we felt that Equinix would be an excellent partner."

"The fact that an established media company is our 1,000th customer is indicative of the continued growth for Equinix in the content and enterprise segments," said Peter Van Camp, CEO of Equinix. "Reaching and now surpassing the 1,000th customer mark is another important milestone in solidifying our market leadership position."

Forward Looking Statements

This press release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from expectations discussed in such forward-looking statements. Factors that might cause such differences include, but are not limited to, the challenges of acquiring, operating and constructing IBX centers and developing, deploying and delivering Equinix services; unanticipated costs or difficulties relating to the integration of IXEurope into Equinix; a failure to receive significant revenue from customers in recently built out data centers; failure to complete any financing arrangements contemplated from time to time; competition from existing and new competitors; the ability to generate sufficient cash flow or otherwise obtain funds to repay new or outstanding indebtedness; the loss or decline in business from our key customers; the results of any litigation relating to past stock option grants and practices; and other risks described from time to time in Equinix's filings with the Securities and Exchange Commission. In particular, see Equinix's recent quarterly and annual reports filed with the Securities and Exchange Commission, copies of which are available upon request from Equinix. Equinix does not assume any obligation to update the forward-looking information contained in this press release.

Equinix and IBX are registered trademarks of Equinix, Inc. Internet Business Exchange is a trademark of Equinix, Inc.